diff --git a/resources/install/scripts/resources/functions/explode.lua b/resources/install/scripts/resources/functions/explode.lua
index 4355a643e8..f6965f79df 100644
--- a/resources/install/scripts/resources/functions/explode.lua
+++ b/resources/install/scripts/resources/functions/explode.lua
@@ -2,10 +2,12 @@
 --add the explode function
 	function explode ( seperator, str ) 
 		local pos, arr = 0, {}
-		for st, sp in function() return string.find( str, seperator, pos, true ) end do -- for each divider found
-			table.insert( arr, string.sub( str, pos, st-1 ) ) -- attach chars left of current divider
-			pos = sp + 1 -- jump past current divider
+		if (seperator ~= nil and str ~= nil) then
+			for st, sp in function() return string.find( str, seperator, pos, true ) end do -- for each divider found
+				table.insert( arr, string.sub( str, pos, st-1 ) ) -- attach chars left of current divider
+				pos = sp + 1 -- jump past current divider
+			end
+			table.insert( arr, string.sub( str, pos ) ) -- attach chars right of last divider
 		end
-		table.insert( arr, string.sub( str, pos ) ) -- attach chars right of last divider
 		return arr
 	end
\ No newline at end of file